<template>
    <div class="type-nav">
        <div class="container">
            <div class="nav-left" @mouseenter="leftnavshow = true" @mouseleave="handlershow">
                <h2 class="all">全部商品分类</h2>
                <transition enter-active-class="animate__fadeIn" leave-active-class="animate__fadeOut">
                    <div class="sort animate__animated" v-show="leftnavshow">
                        <div class="all-sort-list2" @click="search">
                            <!-- 一级分类 -->
                            <div class="item" v-for="c1 in category" :key="c1.categoryId">
                                <h3>
                                    <a data-level="1" :data-id="c1.categoryId">{{ c1.categoryName }}</a>
                                </h3>
                                <div class="item-list clearfix">
                                    <div class="subitem">
                                        <!-- 二级分类 -->
                                        <dl class="fore" v-for="c2 in c1.categoryChild" :key="c2.categoryId">
                                            <dt>
                                                <a data-level="2" :data-id="c2.categoryId">{{ c2.categoryName }}</a>
                                            </dt>
                                            <dd>
                                                <!-- 三级分类 -->
                                                <em v-for="c3 in c2.categoryChild" :key="c3.categoryId">
                                                    <a data-level="3" :data-id="c3.categoryId">{{ c3.categoryName }}</a>
                                                </em>

                                            </dd>
                                        </dl>
                                    </div>
                                </div>
                            </div>

                        </div>
                    </div>
                </transition>

            </div>
            <nav class="nav">
                <a href="###">服装城</a>
                <a href="###">美妆馆</a>
                <a href="###">尚品汇超市</a>
                <a href="###">全球购</a>
                <a href="###">闪购</a>
                <a href="###">团购</a>
                <a href="###">有趣</a>
                <a href="###">秒杀</a>
            </nav>
        </div>
    </div>
</template>

<script>
import { mapState, mapActions } from 'vuex';
import 'animate.css'
export default {
    name: "TypeNav",
    data() {
        return {
            leftnavshow: this.$route.path === "/"
        }

    },
    computed: {
        ...mapState("Home", ["category"])
    },
    methods: {
        ...mapActions("Home", ["asyncGetCategoryList"]),
        //跳转至search页面
        search(e) {
            // console.log(e.target.dataset);
            //获取 分类级别和id
            let { level, id } = e.target.dataset
            //获取类别名称
            let categoryName = e.target.innerText
            // console.log(level, id, name);
            //获取当前路由地址的query参数
            let { keyword } = this.$route.query
            //判断是否有分类级别
            if (level) {
                this.$router.push({
                    path: "/search",
                    query: {
                        keyword,
                        [`category${level}Id`]: id,
                        categoryName
                    }
                })
                this.leftnavshow = false
            }

        },
        // 判断是否隐藏一级目录
        handlershow() {
            if (this.$route.path !== "/") {
                this.leftnavshow = false
            }
        }

    },
    mounted() {
        // this.$store.dispatch("asyncGetCategoryList")
        this.asyncGetCategoryList()
    }
}
</script>

<style lang="less" scoped>
.type-nav {
    border-bottom: 2px solid #e1251b;

    .container {
        width: 1200px;
        margin: 0 auto;
        display: flex;
        position: relative;

        .all {
            width: 210px;
            height: 45px;
            background-color: #e1251b;
            line-height: 45px;
            text-align: center;
            color: #fff;
            font-size: 14px;
            font-weight: bold;
        }

        .nav {
            a {
                height: 45px;
                margin: 0 22px;
                line-height: 45px;
                font-size: 16px;
                color: #333;
            }
        }

        .sort {
            position: absolute;
            left: 0;
            top: 45px;
            width: 210px;
            height: 461px;
            position: absolute;
            background: #fafafa;
            z-index: 999;
            animation-duration: 0.5s;

            .all-sort-list2 {
                .item {
                    h3 {
                        line-height: 27px;
                        font-size: 14px;
                        font-weight: 400;
                        overflow: hidden;
                        padding: 0 20px;
                        margin: 0;

                        &:hover {
                            background: #e1251b;
                            cursor: pointer;

                            a {
                                color: white;
                            }
                        }

                        a {
                            color: #333;

                            &:hover {
                                color: white;
                            }
                        }
                    }

                    .item-list {
                        display: none;
                        position: absolute;
                        width: 734px;
                        min-height: 460px;
                        background: #f7f7f7;
                        left: 210px;
                        border: 1px solid #ddd;
                        top: 0;
                        z-index: 9999 !important;

                        .subitem {
                            float: left;
                            width: 650px;
                            padding: 0 4px 0 8px;

                            dl {
                                border-top: 1px solid #eee;
                                padding: 6px 0;
                                overflow: hidden;
                                zoom: 1;

                                &.fore {
                                    border-top: 0;
                                }

                                dt {
                                    float: left;
                                    width: 54px;
                                    line-height: 22px;
                                    text-align: right;
                                    padding: 3px 6px 0 0;
                                    font-weight: 700;
                                    cursor: pointer;
                                }

                                dd {
                                    float: left;
                                    width: 515px;
                                    padding: 3px 0 0;
                                    overflow: hidden;

                                    em {
                                        float: left;
                                        height: 14px;
                                        line-height: 14px;
                                        padding: 0 8px;
                                        margin-top: 5px;
                                        border-left: 1px solid #ccc;
                                        cursor: pointer;
                                    }
                                }
                            }
                        }
                    }

                    &:hover {
                        .item-list {
                            display: block;
                        }
                    }
                }
            }
        }
    }
}
</style>